arch/arm/mach-davinci/board-dm355-evm.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * TI DaVinci EVM board support
   4  *
   5  * Author: Kevin Hilman, Deep Root Systems, LLC
   6  *
   7  * 2007 (c) MontaVista Software, Inc.
   8  */
   9 #include <linux/kernel.h>
  10 #include <linux/init.h>
  11 #include <linux/err.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/mtd/rawnand.h>
  16 #include <linux/i2c.h>
  17 #include <linux/gpio.h>
  18 #include <linux/gpio/machine.h>
  19 #include <linux/clk.h>
  20 #include <linux/dm9000.h>
  21 #include <linux/videodev2.h>
  22 #include <media/i2c/tvp514x.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/eeprom.h>
  25 #include <linux/platform_data/gpio-davinci.h>
  26 #include <linux/platform_data/i2c-davinci.h>
  27 #include <linux/platform_data/mtd-davinci.h>
  28 #include <linux/platform_data/mmc-davinci.h>
  29 #include <linux/platform_data/usb-davinci.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33
  34 #include "serial.h"
  35 #include "common.h"
  36 #include "davinci.h"
  37
  38 /* NOTE:  this is geared for the standard config, with a socketed
  39  * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
  40  * swap chips, maybe with a different block size, partitioning may
  41  * need to be changed.
  42  */
  43 #define NAND_BLOCK_SIZE         SZ_128K
  44
  45 static struct mtd_partition davinci_nand_partitions[] = {
  46         {
  47                 /* UBL (a few copies) plus U-Boot */
  48                 .name           = "bootloader",
  49                 .offset         = 0,
  50                 .size           = 15 * NAND_BLOCK_SIZE,
  51                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
  52         }, {
  53                 /* U-Boot environment */
  54                 .name           = "params",
  55                 .offset         = MTDPART_OFS_APPEND,
  56                 .size           = 1 * NAND_BLOCK_SIZE,
  57                 .mask_flags     = 0,
  58         }, {
  59                 .name           = "kernel",
  60                 .offset         = MTDPART_OFS_APPEND,
  61                 .size           = SZ_4M,
  62                 .mask_flags     = 0,
  63         }, {
  64                 .name           = "filesystem1",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = SZ_512M,
  67                 .mask_flags     = 0,
  68         }, {
  69                 .name           = "filesystem2",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = MTDPART_SIZ_FULL,
  72                 .mask_flags     = 0,
  73         }
  74         /* two blocks with bad block table (and mirror) at the end */
  75 };
  76
  77 static struct davinci_nand_pdata davinci_nand_data = {
  78         .core_chipsel           = 0,
  79         .mask_chipsel           = BIT(14),
  80         .parts                  = davinci_nand_partitions,
  81         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
  82         .engine_type            = NAND_ECC_ENGINE_TYPE_ON_HOST,
  83         .bbt_options            = NAND_BBT_USE_FLASH,
  84         .ecc_bits               = 4,
  85 };
  86
  87 static struct resource davinci_nand_resources[] = {
  88         {
  89                 .start          = DM355_ASYNC_EMIF_DATA_CE0_BASE,
  90                 .end            = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
  91                 .flags          = IORESOURCE_MEM,
  92         }, {
  93                 .start          = DM355_ASYNC_EMIF_CONTROL_BASE,
  94                 .end            = DM355_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
  95                 .flags          = IORESOURCE_MEM,
  96         },
  97 };
  98
  99 static struct platform_device davinci_nand_device = {
 100         .name                   = "davinci_nand",
 101         .id                     = 0,
 102
 103         .num_resources          = ARRAY_SIZE(davinci_nand_resources),
 104         .resource               = davinci_nand_resources,
 105
 106         .dev                    = {
 107                 .platform_data  = &davinci_nand_data,
 108         },
 109 };
 110
 111 #define DM355_I2C_SDA_PIN       GPIO_TO_PIN(0, 15)
 112 #define DM355_I2C_SCL_PIN       GPIO_TO_PIN(0, 14)
 113
 114 static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
 115         .dev_id = "i2c_davinci.1",
 116         .table = {
 117                 GPIO_LOOKUP("davinci_gpio", DM355_I2C_SDA_PIN, "sda",
 118                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 119                 GPIO_LOOKUP("davinci_gpio", DM355_I2C_SCL_PIN, "scl",
 120                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 121                 { }
 122         },
 123 };
 124
 125 static struct davinci_i2c_platform_data i2c_pdata = {
 126         .bus_freq       = 400   /* kHz */,
 127         .bus_delay      = 0     /* usec */,
 128         .gpio_recovery  = true,
 129 };
 130
 131 static int dm355evm_mmc_gpios = -EINVAL;
 132
 133 static void dm355evm_mmcsd_gpios(unsigned gpio)
 134 {
 135         gpio_request(gpio + 0, "mmc0_ro");
 136         gpio_request(gpio + 1, "mmc0_cd");
 137         gpio_request(gpio + 2, "mmc1_ro");
 138         gpio_request(gpio + 3, "mmc1_cd");
 139
 140         /* we "know" these are input-only so we don't
 141          * need to call gpio_direction_input()
 142          */
 143
 144         dm355evm_mmc_gpios = gpio;
 145 }
 146
 147 static struct i2c_board_info dm355evm_i2c_info[] = {
 148         {       I2C_BOARD_INFO("dm355evm_msp", 0x25),
 149                 .platform_data = dm355evm_mmcsd_gpios,
 150         },
 151         /* { plus irq  }, */
 152         { I2C_BOARD_INFO("tlv320aic33", 0x1b), },
 153 };
 154
 155 static void __init evm_init_i2c(void)
 156 {
 157         gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
 158         davinci_init_i2c(&i2c_pdata);
 159
 160         gpio_request(5, "dm355evm_msp");
 161         gpio_direction_input(5);
 162         dm355evm_i2c_info[0].irq = gpio_to_irq(5);
 163
 164         i2c_register_board_info(1, dm355evm_i2c_info,
 165                         ARRAY_SIZE(dm355evm_i2c_info));
 166 }
 167
 168 static struct resource dm355evm_dm9000_rsrc[] = {
 169         {
 170                 /* addr */
 171                 .start  = 0x04014000,
 172                 .end    = 0x04014001,
 173                 .flags  = IORESOURCE_MEM,
 174         }, {
 175                 /* data */
 176                 .start  = 0x04014002,
 177                 .end    = 0x04014003,
 178                 .flags  = IORESOURCE_MEM,
 179         }, {
 180                 .flags  = IORESOURCE_IRQ
 181                         | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
 182         },
 183 };
 184
 185 static struct dm9000_plat_data dm335evm_dm9000_platdata;
 186
 187 static struct platform_device dm355evm_dm9000 = {
 188         .name           = "dm9000",
 189         .id             = -1,
 190         .resource       = dm355evm_dm9000_rsrc,
 191         .num_resources  = ARRAY_SIZE(dm355evm_dm9000_rsrc),
 192         .dev            = {
 193                 .platform_data = &dm335evm_dm9000_platdata,
 194         },
 195 };
 196
 197 static struct tvp514x_platform_data tvp5146_pdata = {
 198         .clk_polarity = 0,
 199         .hs_polarity = 1,
 200         .vs_polarity = 1
 201 };
 202
 203 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 204 /* Inputs available at the TVP5146 */
 205 static struct v4l2_input tvp5146_inputs[] = {
 206         {
 207                 .index = 0,
 208                 .name = "Composite",
 209                 .type = V4L2_INPUT_TYPE_CAMERA,
 210                 .std = TVP514X_STD_ALL,
 211         },
 212         {
 213                 .index = 1,
 214                 .name = "S-Video",
 215                 .type = V4L2_INPUT_TYPE_CAMERA,
 216                 .std = TVP514X_STD_ALL,
 217         },
 218 };
 219
 220 /*
 221  * this is the route info for connecting each input to decoder
 222  * ouput that goes to vpfe. There is a one to one correspondence
 223  * with tvp5146_inputs
 224  */
 225 static struct vpfe_route tvp5146_routes[] = {
 226         {
 227                 .input = INPUT_CVBS_VI2B,
 228                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 229         },
 230         {
 231                 .input = INPUT_SVIDEO_VI2C_VI1C,
 232                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 233         },
 234 };
 235
 236 static struct vpfe_subdev_info vpfe_sub_devs[] = {
 237         {
 238                 .name = "tvp5146",
 239                 .grp_id = 0,
 240                 .num_inputs = ARRAY_SIZE(tvp5146_inputs),
 241                 .inputs = tvp5146_inputs,
 242                 .routes = tvp5146_routes,
 243                 .can_route = 1,
 244                 .ccdc_if_params = {
 245                         .if_type = VPFE_BT656,
 246                         .hdpol = VPFE_PINPOL_POSITIVE,
 247                         .vdpol = VPFE_PINPOL_POSITIVE,
 248                 },
 249                 .board_info = {
 250                         I2C_BOARD_INFO("tvp5146", 0x5d),
 251                         .platform_data = &tvp5146_pdata,
 252                 },
 253         }
 254 };
 255
 256 static struct vpfe_config vpfe_cfg = {
 257         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
 258         .i2c_adapter_id = 1,
 259         .sub_devs = vpfe_sub_devs,
 260         .card_name = "DM355 EVM",
 261         .ccdc = "DM355 CCDC",
 262 };
 263
 264 /* venc standards timings */
 265 static struct vpbe_enc_mode_info dm355evm_enc_preset_timing[] = {
 266         {
 267                 .name           = "ntsc",
 268                 .timings_type   = VPBE_ENC_STD,
 269                 .std_id         = V4L2_STD_NTSC,
 270                 .interlaced     = 1,
 271                 .xres           = 720,
 272                 .yres           = 480,
 273                 .aspect         = {11, 10},
 274                 .fps            = {30000, 1001},
 275                 .left_margin    = 0x79,
 276                 .upper_margin   = 0x10,
 277         },
 278         {
 279                 .name           = "pal",
 280                 .timings_type   = VPBE_ENC_STD,
 281                 .std_id         = V4L2_STD_PAL,
 282                 .interlaced     = 1,
 283                 .xres           = 720,
 284                 .yres           = 576,
 285                 .aspect         = {54, 59},
 286                 .fps            = {25, 1},
 287                 .left_margin    = 0x7E,
 288                 .upper_margin   = 0x16
 289         },
 290 };
 291
 292 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 293
 294 /*
 295  * The outputs available from VPBE + ecnoders. Keep the
 296  * the order same as that of encoders. First those from venc followed by that
 297  * from encoders. Index in the output refers to index on a particular encoder.
 298  * Driver uses this index to pass it to encoder when it supports more than
 299  * one output. Application uses index of the array to set an output.
 300  */
 301 static struct vpbe_output dm355evm_vpbe_outputs[] = {
 302         {
 303                 .output         = {
 304                         .index          = 0,
 305                         .name           = "Composite",
 306                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 307                         .std            = VENC_STD_ALL,
 308                         .capabilities   = V4L2_OUT_CAP_STD,
 309                 },
 310                 .subdev_name    = DM355_VPBE_VENC_SUBDEV_NAME,
 311                 .default_mode   = "ntsc",
 312                 .num_modes      = ARRAY_SIZE(dm355evm_enc_preset_timing),
 313                 .modes          = dm355evm_enc_preset_timing,
 314                 .if_params      = MEDIA_BUS_FMT_FIXED,
 315         },
 316 };
 317
 318 static struct vpbe_config dm355evm_display_cfg = {
 319         .module_name    = "dm355-vpbe-display",
 320         .i2c_adapter_id = 1,
 321         .osd            = {
 322                 .module_name    = DM355_VPBE_OSD_SUBDEV_NAME,
 323         },
 324         .venc           = {
 325                 .module_name    = DM355_VPBE_VENC_SUBDEV_NAME,
 326         },
 327         .num_outputs    = ARRAY_SIZE(dm355evm_vpbe_outputs),
 328         .outputs        = dm355evm_vpbe_outputs,
 329 };
 330
 331 static struct platform_device *davinci_evm_devices[] __initdata = {
 332         &dm355evm_dm9000,
 333         &davinci_nand_device,
 334 };
 335
 336 static void __init dm355_evm_map_io(void)
 337 {
 338         dm355_init();
 339 }
 340
 341 static int dm355evm_mmc_get_cd(int module)
 342 {
 343         if (!gpio_is_valid(dm355evm_mmc_gpios))
 344                 return -ENXIO;
 345         /* low == card present */
 346         return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
 347 }
 348
 349 static int dm355evm_mmc_get_ro(int module)
 350 {
 351         if (!gpio_is_valid(dm355evm_mmc_gpios))
 352                 return -ENXIO;
 353         /* high == card's write protect switch active */
 354         return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
 355 }
 356
 357 static struct davinci_mmc_config dm355evm_mmc_config = {
 358         .get_cd         = dm355evm_mmc_get_cd,
 359         .get_ro         = dm355evm_mmc_get_ro,
 360         .wires          = 4,
 361         .max_freq       = 50000000,
 362         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 363 };
 364
 365 /* Don't connect anything to J10 unless you're only using USB host
 366  * mode *and* have to do so with some kind of gender-bender.  If
 367  * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
 368  * the ID pin won't need any help.
 369  */
 370 #define USB_ID_VALUE    1       /* ID pulled low */
 371
 372 static struct spi_eeprom at25640a = {
 373         .byte_len       = SZ_64K / 8,
 374         .name           = "at25640a",
 375         .page_size      = 32,
 376         .flags          = EE_ADDR2,
 377 };
 378
 379 static const struct spi_board_info dm355_evm_spi_info[] __initconst = {
 380         {
 381                 .modalias       = "at25",
 382                 .platform_data  = &at25640a,
 383                 .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
 384                 .bus_num        = 0,
 385                 .chip_select    = 0,
 386                 .mode           = SPI_MODE_0,
 387         },
 388 };
 389
 390 static __init void dm355_evm_init(void)
 391 {
 392         struct clk *aemif;
 393         int ret;
 394
 395         dm355_register_clocks();
 396
 397         ret = dm355_gpio_register();
 398         if (ret)
 399                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 400
 401         gpio_request(1, "dm9000");
 402         gpio_direction_input(1);
 403         dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
 404
 405         aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
 406         if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
 407                 clk_prepare_enable(aemif);
 408
 409         platform_add_devices(davinci_evm_devices,
 410                              ARRAY_SIZE(davinci_evm_devices));
 411         evm_init_i2c();
 412         davinci_serial_init(dm355_serial_device);
 413
 414         /* NOTE:  NAND flash timings set by the UBL are slower than
 415          * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
 416          * but could be 0x0400008c for about 25% faster page reads.
 417          */
 418
 419         gpio_request(2, "usb_id_toggle");
 420         gpio_direction_output(2, USB_ID_VALUE);
 421         /* irlml6401 switches over 1A in under 8 msec */
 422         davinci_setup_usb(1000, 8);
 423
 424         davinci_setup_mmc(0, &dm355evm_mmc_config);
 425         davinci_setup_mmc(1, &dm355evm_mmc_config);
 426
 427         dm355_init_video(&vpfe_cfg, &dm355evm_display_cfg);
 428
 429         dm355_init_spi0(BIT(0), dm355_evm_spi_info,
 430                         ARRAY_SIZE(dm355_evm_spi_info));
 431
 432         /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
 433         dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
 434 }
 435
 436 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
 437         .atag_offset  = 0x100,
 438         .map_io       = dm355_evm_map_io,
 439         .init_irq     = dm355_init_irq,
 440         .init_time      = dm355_init_time,
 441         .init_machine = dm355_evm_init,
 442         .init_late      = davinci_init_late,
 443         .dma_zone_size  = SZ_128M,
 444 MACHINE_END